The EVEFLEX 500-800 HP - 708 is a soft-bonded rubber lens polisher, designed for pre-polishing gold and non-precious metal (NPM) alloys. With a 14.5 × 2.5mm size, medium grit, and optimised for micromotor use, it operates at 7,000 - 12,000 RPM, with a maximum speed of 20,000 RPM.

The Edenta TopStar Brown Rubber Polisher is designed for pre-polishing, smooth finishing, and shine-polishing of gold, silver, and precious and semi-precious metal alloys. The brown rubber formulation is specifically developed for efficient material refinement, ensuring surface smoothness before high-shine polishing.